Home›Browse›A›alveolar flapalveolar flapOur editors are putting together more complete content — check back in about 20 minutesalveolar flapalveolar flap — nounnoun1. a quick tap of the tongue against the gum ridge, as in some pronunciations of 't1.nounDefinitiona quick tap of the tongue against the gum ridge, as in some pronunciations of 't' and 'd'ExampleThe alveolar flap is common in American English when saying 'butter'.